This week on “The Learning Curve," co-hosts Gerard Robinson and Cara Candal talk with David Reynolds, a Distinguished Professor of English and History at the Graduate Center of the City University of New York. He is the author of Abe: Abraham Lincoln in His Times, selected as one of the Top Ten Books of the Year by The Wall Street Journal and The Washington Post. Professor Reynolds shares what teachers and students alike should know about the culture of Civil War America, primary education in that era, and the wide variety of influences on Lincoln’s thinking and leadership.

Massachusetts should be cautious in updating its highly regarded…